LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Loans (Details)	9 Months Ended	12 Months Ended
Sep. 30, 2023 USD ($) borrower loan	Dec. 31, 2022 USD ($) loan borrower
Loans and Allowance for Credit Losses - Loans
Number of TDRs accounts \| loan	1	1
Amount of recorded investment in new troubled debt restructurings, totaled	$ 8,000	$ 34,000
Number of borrowers \| borrower	6	14
Unpaid Principal Balance with specific reserves	$ 331,000	$ 333,000
Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Unpaid Principal Balance with specific reserves	31,000	34,000
Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Unpaid Principal Balance with specific reserves	$ 300,000	$ 299,000
Single-family Residential
Loans and Allowance for Credit Losses - Loans
Number of loans \| borrower	1
Single-family Residential \| Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Number of TDRs accounts \| loan	1	1
Amount of recorded investment in new troubled debt restructurings, totaled	$ 8,000	$ 34,000
Number of loans \| loan	1
Number of borrowers \| borrower	1
Unpaid Principal Balance with specific reserves	$ 31,051	34,000
Specific Reserve loan	$ 21,621
Commercial and Industrial \| Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Number of loans \| loan	1
Number of borrowers	1
Unpaid Principal Balance with specific reserves	$ 300,000	$ 299,000
Specific Reserve loan	$ 149,453

Represents number of borrowers consumer and indirect loans.

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- Definition

Represents number of loans.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

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- Definition

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 310
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481746/310-40-50-4

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- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

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- Definition

Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

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